Which of the following statements is true about child development theories?
A) They guide and give meaning to our observations and help us understand development.
B) They are defined as mere opinions or beliefs.
C) They provide ultimate truths about children and adolescents.
D) They are difficult to verify, even with contemporary research methods.
A
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The Social Readjustment Rating Scale (SRRS) measures stress related to
a. positive and negative life events. b. only negative life events. c. only positive life events. d. internal stressors. e. hassles.
Why are relatively few inherited disorders caused by dominant alleles?
a. Most disorders caused by dominant alleles lead to sterility, which means the dominant allele will not be passed on. b. Genetic testing can more readily identify dominant rather than recessive alleles; genetic counseling has more successfully reduced the incidence of disorders caused by dominant alleles. c. Every person with one of the dominant alleles will have the disorder, and people with most of these disorders do not usually live long enough to reproduce, so the allele will not be passed on. d. Individuals carrying dominant alleles for a disorder are less likely to actually have the disorder than are individuals carrying a recessive allele for a disorder.